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cf537b97f5
livetrax/gtk2_ardour/editor_audio_import.cc
Robin Gareus 6b3a8915f3 add abort() to non-reached code 
This cleans up a lot of false-positives in static analysis
and also helps compilers to optimize code paths in general.
(tagging the fatal stingstream operator as ‘noreturn’ is
far less trivial)
2014-11-14 11:30:08 +01:00

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/*
Copyright (C) 2000-2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <errno.h>
#include <unistd.h>
#include <algorithm>
#include <sndfile.h>
#include "pbd/pthread_utils.h"
#include "pbd/basename.h"
#include "pbd/shortpath.h"
#include "pbd/stateful_diff_command.h"
#include <gtkmm2ext/choice.h>
#include "ardour/audio_track.h"
#include "ardour/audiofilesource.h"
#include "ardour/audioregion.h"
#include "ardour/midi_region.h"
#include "ardour/midi_track.h"
#include "ardour/operations.h"
#include "ardour/region_factory.h"
#include "ardour/smf_source.h"
#include "ardour/source_factory.h"
#include "ardour/utils.h"
#include "pbd/memento_command.h"
#include "ardour_ui.h"
#include "editor.h"
#include "sfdb_ui.h"
#include "editing.h"
#include "audio_time_axis.h"
#include "midi_time_axis.h"
#include "session_import_dialog.h"
#include "gui_thread.h"
#include "interthread_progress_window.h"
#include "mouse_cursors.h"
#include "editor_cursors.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace Editing;
using std::string;
/* Functions supporting the incorporation of external (non-captured) audio material into ardour */
void
Editor::add_external_audio_action (ImportMode mode_hint)
{
if (_session == 0) {
MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
msg.run ();
return;
}
if (sfbrowser == 0) {
sfbrowser = new SoundFileOmega (_("Add Existing Media"), _session, 0, true, mode_hint);
} else {
sfbrowser->set_mode (mode_hint);
}
external_audio_dialog ();
}
void
Editor::external_audio_dialog ()
{
vector<string> paths;
uint32_t audio_track_cnt;
uint32_t midi_track_cnt;
if (_session == 0) {
MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
msg.run ();
return;
}
audio_track_cnt = 0;
midi_track_cnt = 0;
for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
if (atv) {
if (atv->is_audio_track()) {
audio_track_cnt++;
}
} else {
MidiTimeAxisView* mtv = dynamic_cast<MidiTimeAxisView*>(*x);
if (mtv) {
if (mtv->is_midi_track()) {
midi_track_cnt++;
}
}
}
}
if (sfbrowser == 0) {
sfbrowser = new SoundFileOmega (_("Add Existing Media"), _session, audio_track_cnt, midi_track_cnt, true);
} else {
sfbrowser->reset (audio_track_cnt, midi_track_cnt);
}
sfbrowser->show_all ();
}
void
Editor::session_import_dialog ()
{
SessionImportDialog dialog (_session);
ensure_float (dialog);
dialog.run ();
}
typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
/**
* Updating is still disabled, see note in libs/ardour/import.cc Session::import_files()
*
* all_or_nothing:
* true = show "Update", "Import" and "Skip"
* false = show "Import", and "Cancel"
*
* Returns:
* 0 To update an existing source of the same name
* 1 To import/embed the file normally (make sure the new name will be unique)
* 2 If the user wants to skip this file
**/
int
Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
{
string wave_name (Glib::path_get_basename(path));
bool already_exists = false;
uint32_t existing;
if ((existing = _session->count_sources_by_origin (path)) > 0) {
already_exists = true;
}
int function = 1;
if (already_exists) {
string message;
if (all_or_nothing) {
// updating is still disabled
//message = string_compose(_("The session already contains a source file named %1. Do you want to update that file (and thus all regions using the file) or import this file as a new file?"),wave_name);
message = string_compose (_("The session already contains a source file named %1. Do you want to import %1 as a new file, or skip it?"), wave_name);
} else {
message = string_compose (_("The session already contains a source file named %1. Do you want to import %2 as a new source, or skip it?"), wave_name, wave_name);
}
MessageDialog dialog(message, false, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
if (all_or_nothing) {
// disabled
//dialog.add_button("Update", 0);
dialog.add_button("Import", 1);
dialog.add_button("Skip", 2);
} else {
dialog.add_button("Import", 1);
dialog.add_button("Cancel", 2);
}
//dialog.add_button("Skip all", 4); // All or rest?
dialog.show();
function = dialog.run ();
dialog.hide();
}
return function;
}
boost::shared_ptr<AudioTrack>
Editor::get_nth_selected_audio_track (int nth) const
{
AudioTimeAxisView* atv;
TrackSelection::iterator x;
for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
atv = dynamic_cast<AudioTimeAxisView*>(*x);
if (!atv) {
continue;
} else if (atv->is_audio_track()) {
--nth;
}
}
if (x == selection->tracks.end()) {
atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
} else {
atv = dynamic_cast<AudioTimeAxisView*>(*x);
}
if (!atv || !atv->is_audio_track()) {
return boost::shared_ptr<AudioTrack>();
}
return atv->audio_track();
}
boost::shared_ptr<MidiTrack>
Editor::get_nth_selected_midi_track (int nth) const
{
MidiTimeAxisView* mtv;
TrackSelection::iterator x;
for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
mtv = dynamic_cast<MidiTimeAxisView*>(*x);
if (!mtv) {
continue;
} else if (mtv->is_midi_track()) {
--nth;
}
}
if (x == selection->tracks.end()) {
mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
} else {
mtv = dynamic_cast<MidiTimeAxisView*>(*x);
}
if (!mtv || !mtv->is_midi_track()) {
return boost::shared_ptr<MidiTrack>();
}
return mtv->midi_track();
}
void
Editor::do_import (vector<string> paths, ImportDisposition disposition, ImportMode mode, SrcQuality quality, framepos_t& pos)
{
boost::shared_ptr<Track> track;
vector<string> to_import;
int nth = 0;
bool use_timestamp = (pos == -1);
current_interthread_info = &import_status;
import_status.current = 1;
import_status.total = paths.size ();
import_status.all_done = false;
ImportProgressWindow ipw (&import_status, _("Import"), _("Cancel Import"));
bool ok = true;
if (disposition == Editing::ImportMergeFiles) {
/* create 1 region from all paths, add to 1 track,
ignore "track"
*/
bool cancel = false;
for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
int check = check_whether_and_how_to_import(*a, false);
if (check == 2) {
cancel = true;
break;
}
}
if (cancel) {
ok = false;
} else {
ipw.show ();
ok = (import_sndfiles (paths, disposition, mode, quality, pos, 1, 1, track, false) == 0);
}
} else {
bool replace = false;
for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
const int check = check_whether_and_how_to_import (*a, true);
switch (check) {
case 2:
// user said skip
continue;
case 0:
fatal << "Updating existing sources should be disabled!" << endmsg;
abort(); /* NOTREACHED*/
break;
case 1:
replace = false;
break;
default:
fatal << "Illegal return " << check << " from check_whether_and_how_to_import()!" << endmsg;
abort(); /* NOTREACHED*/
}
/* have to reset this for every file we handle */
if (use_timestamp) {
pos = -1;
}
ipw.show ();
switch (disposition) {
case Editing::ImportDistinctFiles:
to_import.clear ();
to_import.push_back (*a);
if (mode == Editing::ImportToTrack) {
track = get_nth_selected_audio_track (nth++);
}
ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, -1, track, replace) == 0);
break;
case Editing::ImportDistinctChannels:
to_import.clear ();
to_import.push_back (*a);
ok = (import_sndfiles (to_import, disposition, mode, quality, pos, -1, -1, track, replace) == 0);
break;
case Editing::ImportSerializeFiles:
to_import.clear ();
to_import.push_back (*a);
ok = (import_sndfiles (to_import, disposition, mode, quality, pos, 1, 1, track, replace) == 0);
break;
case Editing::ImportMergeFiles:
// Not entered, handled in earlier if() branch
break;
}
}
}
if (ok) {
_session->save_state ("");
}
import_status.all_done = true;
}
void
Editor::do_embed (vector<string> paths, ImportDisposition import_as, ImportMode mode, framepos_t& pos)
{
boost::shared_ptr<Track> track;
bool check_sample_rate = true;
bool ok = false;
vector<string> to_embed;
bool multi = paths.size() > 1;
int nth = 0;
bool use_timestamp = (pos == -1);
switch (import_as) {
case Editing::ImportDistinctFiles:
for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
/* have to reset this for every file we handle */
if (use_timestamp) {
pos = -1;
}
to_embed.clear ();
to_embed.push_back (*a);
if (mode == Editing::ImportToTrack) {
track = get_nth_selected_audio_track (nth++);
}
if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, -1, track) < -1) {
goto out;
}
}
break;
case Editing::ImportDistinctChannels:
for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
/* have to reset this for every file we handle */
if (use_timestamp) {
pos = -1;
}
to_embed.clear ();
to_embed.push_back (*a);
if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, -1, -1, track) < -1) {
goto out;
}
}
break;
case Editing::ImportMergeFiles:
if (embed_sndfiles (paths, multi, check_sample_rate, import_as, mode, pos, 1, 1, track) < -1) {
goto out;
}
break;
case Editing::ImportSerializeFiles:
for (vector<string>::iterator a = paths.begin(); a != paths.end(); ++a) {
/* have to reset this for every file we handle */
if (use_timestamp) {
pos = -1;
}
to_embed.clear ();
to_embed.push_back (*a);
if (embed_sndfiles (to_embed, multi, check_sample_rate, import_as, mode, pos, 1, 1, track) < -1) {
goto out;
}
}
break;
}
ok = true;
out:
if (ok) {
_session->save_state ("");
}
}
int
Editor::import_sndfiles (vector<string> paths, ImportDisposition disposition, ImportMode mode, SrcQuality quality, framepos_t& pos,
int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool replace)
{
import_status.paths = paths;
import_status.done = false;
import_status.cancel = false;
import_status.freeze = false;
import_status.quality = quality;
import_status.replace_existing_source = replace;
import_status.mode = mode;
import_status.pos = pos;
import_status.target_tracks = target_tracks;
import_status.target_regions = target_regions;
import_status.track = track;
import_status.replace = replace;
set_canvas_cursor (_cursors->wait);
gdk_flush ();
/* start import thread for this spec. this will ultimately call Session::import_files()
which, if successful, will add the files as regions to the region list. its up to us
(the GUI) to direct additional steps after that.
*/
pthread_create_and_store ("import", &import_status.thread, _import_thread, this);
pthread_detach (import_status.thread);
while (!import_status.done && !import_status.cancel) {
gtk_main_iteration ();
}
import_status.done = true;
int result = -1;
if (!import_status.cancel && !import_status.sources.empty()) {
result = add_sources (
import_status.paths,
import_status.sources,
import_status.pos,
disposition,
import_status.mode,
import_status.target_regions,
import_status.target_tracks,
track, false
);
/* update position from results */
pos = import_status.pos;
}
set_canvas_cursor (current_canvas_cursor);
return result;
}
int
Editor::embed_sndfiles (vector<string> paths, bool multifile,
bool& check_sample_rate, ImportDisposition disposition, ImportMode mode,
framepos_t& pos, int target_regions, int target_tracks,
boost::shared_ptr<Track>& track)
{
boost::shared_ptr<AudioFileSource> source;
SourceList sources;
string linked_path;
SoundFileInfo finfo;
int ret = 0;
push_canvas_cursor (_cursors->wait);
gdk_flush ();
for (vector<string>::iterator p = paths.begin(); p != paths.end(); ++p) {
string path = *p;
string error_msg;
/* note that we temporarily truncated _id at the colon */
if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
goto out;
}
if (check_sample_rate && (finfo.samplerate != (int) _session->frame_rate())) {
vector<string> choices;
if (multifile) {
choices.push_back (_("Cancel entire import"));
choices.push_back (_("Don't embed it"));
choices.push_back (_("Embed all without questions"));
Gtkmm2ext::Choice rate_choice (
_("Sample rate"),
string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"),
short_path (path, 40)),
choices, false
);
int resx = rate_choice.run ();
switch (resx) {
case 0: /* stop a multi-file import */
ret = -2;
goto out;
case 1: /* don't embed this one */
ret = -1;
goto out;
case 2: /* do it, and the rest without asking */
check_sample_rate = false;
break;
case 3: /* do it */
break;
default:
ret = -2;
goto out;
}
} else {
choices.push_back (_("Cancel"));
choices.push_back (_("Embed it anyway"));
Gtkmm2ext::Choice rate_choice (
_("Sample rate"),
string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
choices, false
);
int resx = rate_choice.run ();
switch (resx) {
case 0: /* don't import */
ret = -1;
goto out;
case 1: /* do it */
break;
default:
ret = -2;
goto out;
}
}
}
for (int n = 0; n < finfo.channels; ++n) {
try {
/* check if we have this thing embedded already */
boost::shared_ptr<Source> s;
if ((s = _session->audio_source_by_path_and_channel (path, n)) == 0) {
source = boost::dynamic_pointer_cast<AudioFileSource> (
SourceFactory::createExternal (DataType::AUDIO, *_session,
path, n,
(mode == ImportAsTapeTrack
? Source::Destructive
: Source::Flag (0)),
true, true));
} else {
source = boost::dynamic_pointer_cast<AudioFileSource> (s);
}
sources.push_back(source);
}
catch (failed_constructor& err) {
error << string_compose(_("could not open %1"), path) << endmsg;
goto out;
}
gtk_main_iteration();
}
}
if (sources.empty()) {
goto out;
}
ret = add_sources (paths, sources, pos, disposition, mode, target_regions, target_tracks, track, true);
out:
pop_canvas_cursor ();
return ret;
}
int
Editor::add_sources (vector<string> paths, SourceList& sources, framepos_t& pos, ImportDisposition disposition, ImportMode mode,
int target_regions, int target_tracks, boost::shared_ptr<Track>& track, bool /*add_channel_suffix*/)
{
vector<boost::shared_ptr<Region> > regions;
string region_name;
uint32_t input_chan = 0;
uint32_t output_chan = 0;
bool use_timestamp;
vector<string> track_names;
use_timestamp = (pos == -1);
// kludge (for MIDI we're abusing "channel" for "track" here)
if (SMFSource::safe_midi_file_extension (paths.front())) {
target_regions = -1;
}
if (target_regions == 1) {
/* take all the sources we have and package them up as a region */
region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
/* we checked in import_sndfiles() that there were not too many */
while (RegionFactory::region_by_name (region_name)) {
region_name = bump_name_once (region_name, '.');
}
PropertyList plist;
plist.add (ARDOUR::Properties::start, 0);
plist.add (ARDOUR::Properties::length, sources[0]->length (pos));
plist.add (ARDOUR::Properties::name, region_name);
plist.add (ARDOUR::Properties::layer, 0);
plist.add (ARDOUR::Properties::whole_file, true);
plist.add (ARDOUR::Properties::external, true);
boost::shared_ptr<Region> r = RegionFactory::create (sources, plist);
if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position(sources[0]->natural_position());
}
regions.push_back (r);
/* if we're creating a new track, name it after the cleaned-up
* and "merged" region name.
*/
track_names.push_back (region_name);
} else if (target_regions == -1 || target_regions > 1) {
/* take each source and create a region for each one */
SourceList just_one;
SourceList::iterator x;
uint32_t n;
for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
just_one.clear ();
just_one.push_back (*x);
boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (*x);
if (sources.size() > 1 && disposition == ImportDistinctChannels) {
/* generate a per-channel region name so that things work as
* intended
*/
string path;
if (fs) {
region_name = basename_nosuffix (fs->path());
} else {
region_name = (*x)->name();
}
if (sources.size() == 2) {
if (n == 0) {
region_name += "-L";
} else {
region_name += "-R";
}
} else if (sources.size() > 2) {
region_name += string_compose ("-%1", n+1);
}
track_names.push_back (region_name);
} else {
if (fs) {
region_name = region_name_from_path (fs->path(), false, false, sources.size(), n);
} else {
region_name = (*x)->name();
}
if (SMFSource::safe_midi_file_extension (paths.front())) {
string track_name = string_compose ("%1-t%2", PBD::basename_nosuffix (fs->path()), (n + 1));
track_names.push_back (track_name);
} else {
track_names.push_back (PBD::basename_nosuffix (paths[n]));
}
}
PropertyList plist;
/* Fudge region length to ensure it is non-zero; make it 1 beat at 120bpm
for want of a better idea. It can't be too small, otherwise if this
is a MIDI region the conversion from frames -> beats -> frames will
round it back down to 0 again.
*/
framecnt_t len = (*x)->length (pos);
if (len == 0) {
len = (60.0 / 120.0) * _session->frame_rate ();
}
plist.add (ARDOUR::Properties::start, 0);
plist.add (ARDOUR::Properties::length, len);
plist.add (ARDOUR::Properties::name, region_name);
plist.add (ARDOUR::Properties::layer, 0);
plist.add (ARDOUR::Properties::whole_file, true);
plist.add (ARDOUR::Properties::external, true);
boost::shared_ptr<Region> r = RegionFactory::create (just_one, plist);
if (use_timestamp && boost::dynamic_pointer_cast<AudioRegion>(r)) {
boost::dynamic_pointer_cast<AudioRegion>(r)->special_set_position((*x)->natural_position());
}
regions.push_back (r);
}
}
if (target_regions == 1) {
input_chan = regions.front()->n_channels();
} else {
if (target_tracks == 1) {
input_chan = regions.size();
} else {
input_chan = 1;
}
}
if (Config->get_output_auto_connect() & AutoConnectMaster) {
output_chan = (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan);
} else {
output_chan = input_chan;
}
int n = 0;
framepos_t rlen = 0;
begin_reversible_command (Operations::insert_file);
/* we only use tracks names when importing to new tracks, but we
* require that one is defined for every region, just to keep
* the API simpler.
*/
assert (regions.size() == track_names.size());
for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> (*r);
if (use_timestamp) {
if (ar) {
/* get timestamp for this region */
const boost::shared_ptr<Source> s (ar->sources().front());
const boost::shared_ptr<AudioSource> as = boost::dynamic_pointer_cast<AudioSource> (s);
assert (as);
if (as->natural_position() != 0) {
pos = as->natural_position();
} else if (target_tracks == 1) {
/* hmm, no timestamp available, put it after the previous region
*/
if (n == 0) {
pos = get_preferred_edit_position ();
} else {
pos += rlen;
}
} else {
pos = get_preferred_edit_position ();
}
} else {
/* should really get first position in MIDI file, but for now, use edit position*/
pos = get_preferred_edit_position ();
}
}
finish_bringing_in_material (*r, input_chan, output_chan, pos, mode, track, track_names[n]);
rlen = (*r)->length();
if (target_tracks != 1) {
track.reset ();
} else {
if (!use_timestamp || !ar) {
/* line each one up right after the other */
pos += (*r)->length();
}
}
}
commit_reversible_command ();
/* setup peak file building in another thread */
for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
SourceFactory::setup_peakfile (*x, true);
}
return 0;
}
int
Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, framepos_t& pos,
ImportMode mode, boost::shared_ptr<Track>& existing_track, const string& new_track_name)
{
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
switch (mode) {
case ImportAsRegion:
/* relax, its been done */
break;
case ImportToTrack:
{
if (!existing_track) {
if (ar) {
existing_track = get_nth_selected_audio_track (0);
} else if (mr) {
existing_track = get_nth_selected_midi_track (0);
}
if (!existing_track) {
return -1;
}
}
boost::shared_ptr<Playlist> playlist = existing_track->playlist();
boost::shared_ptr<Region> copy (RegionFactory::create (region, region->properties()));
playlist->clear_changes ();
playlist->add_region (copy, pos);
if (Config->get_edit_mode() == Ripple)
playlist->ripple (pos, copy->length(), copy);
_session->add_command (new StatefulDiffCommand (playlist));
break;
}
case ImportAsTrack:
{
if (!existing_track) {
if (ar) {
list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Normal, 0, 1));
if (at.empty()) {
return -1;
}
existing_track = at.front();
} else if (mr) {
list<boost::shared_ptr<MidiTrack> > mt (_session->new_midi_track (ChanCount (DataType::MIDI, 1),
ChanCount (DataType::MIDI, 1),
boost::shared_ptr<PluginInfo>(),
Normal, 0, 1));
if (mt.empty()) {
return -1;
}
existing_track = mt.front();
}
if (!new_track_name.empty()) {
existing_track->set_name (new_track_name);
} else {
existing_track->set_name (region->name());
}
}
boost::shared_ptr<Playlist> playlist = existing_track->playlist();
boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
playlist->clear_changes ();
playlist->add_region (copy, pos);
_session->add_command (new StatefulDiffCommand (playlist));
break;
}
case ImportAsTapeTrack:
{
if (!ar) {
return -1;
}
list<boost::shared_ptr<AudioTrack> > at (_session->new_audio_track (in_chans, out_chans, Destructive));
if (!at.empty()) {
boost::shared_ptr<Playlist> playlist = at.front()->playlist();
boost::shared_ptr<Region> copy (RegionFactory::create (region, true));
playlist->clear_changes ();
playlist->add_region (copy, pos);
_session->add_command (new StatefulDiffCommand (playlist));
}
break;
}
}
return 0;
}
void *
Editor::_import_thread (void *arg)
{
SessionEvent::create_per_thread_pool ("import events", 64);
Editor *ed = (Editor *) arg;
return ed->import_thread ();
}
void *
Editor::import_thread ()
{
_session->import_files (import_status);
return 0;
}
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